Home / 13,099.98-19,643.49-6,859.02

Finding the Fourth Proportional to 13,099.98, 19,643.49 and 6,859.02

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Solution

The fourth proportional to 13,099.98, 19,643.49 and 6,859.02 is: 10,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.98 : 19,643.49 = 6,859.02 : x
  2. Step 2: Convert to fraction form
    13,099.98/19,643.49 = 6,859.02/x
  3. Step 3: Cross multiply
    13,099.98x = 19,643.49 × 6,859.02
  4. Step 4: Simplify right side
    13,099.98x = 134,735,090.78
  5. Step 5: Solve for x
    x = 134,735,090.78/13,099.98
  6. Step 6: Final answer
    x = 10,285.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.